In common.h, define func_lib for function objects. In configure.ac, define HAVE_STD_FUNCTION and HAVE_BOOST_FUNCTION. Include function headers in ndnboost.
diff --git a/ndnboost/function_types/detail/components_as_mpl_sequence.hpp b/ndnboost/function_types/detail/components_as_mpl_sequence.hpp
new file mode 100644
index 0000000..3d94e4e
--- /dev/null
+++ b/ndnboost/function_types/detail/components_as_mpl_sequence.hpp
@@ -0,0 +1,138 @@
+
+// (C) Copyright Tobias Schwinger
+//
+// Use modification and distribution are subject to the boost Software License,
+// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
+
+//------------------------------------------------------------------------------
+
+#ifndef BOOST_FT_DETAIL_COMPONENTS_AS_MPL_SEQUENCE_HPP_INCLUDED
+#define BOOST_FT_DETAIL_COMPONENTS_AS_MPL_SEQUENCE_HPP_INCLUDED
+
+#include <ndnboost/mpl/size_fwd.hpp>
+#include <ndnboost/mpl/empty_fwd.hpp>
+#include <ndnboost/mpl/front_fwd.hpp>
+#include <ndnboost/mpl/back_fwd.hpp>
+#include <ndnboost/mpl/at_fwd.hpp>
+#include <ndnboost/mpl/begin_end_fwd.hpp>
+#include <ndnboost/mpl/clear_fwd.hpp>
+#include <ndnboost/mpl/push_front_fwd.hpp>
+#include <ndnboost/mpl/pop_front_fwd.hpp>
+#include <ndnboost/mpl/push_back_fwd.hpp>
+#include <ndnboost/mpl/pop_back_fwd.hpp>
+
+namespace ndnboost { namespace mpl {
+
+template<> struct size_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S > struct apply
+ : mpl::size <typename S::types>
+ { };
+};
+template<> struct empty_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S > struct apply
+ : mpl::empty <typename S::types>
+ { };
+};
+template<> struct front_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S > struct apply
+ : mpl::front <typename S::types>
+ { };
+};
+template<> struct back_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S > struct apply
+ : mpl::back <typename S::types>
+ { };
+};
+template<> struct at_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S, typename N > struct apply
+ : mpl::at <typename S::types, N >
+ { };
+};
+template<> struct begin_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S > struct apply
+ : mpl::begin <typename S::types>
+ { };
+};
+template<> struct end_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S > struct apply
+ : mpl::end <typename S::types>
+ { };
+};
+template<> struct clear_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S >
+ struct apply
+ : S
+ {
+ typedef apply type;
+ typedef typename mpl::clear< typename S::types >::type types;
+ };
+};
+template<>
+struct push_front_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S, typename T >
+ struct apply
+ : S
+ {
+ typedef apply type;
+ typedef typename mpl::push_front< typename S::types, T >::type types;
+ };
+};
+template<>
+struct pop_front_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S >
+ struct apply
+ : S
+ {
+ typedef apply type;
+ typedef typename mpl::pop_front< typename S::types >::type types;
+ };
+};
+template<>
+struct push_back_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S, typename T >
+ struct apply
+ : S
+ {
+ typedef apply type;
+ typedef typename mpl::push_back< typename S::types, T >::type types;
+ };
+};
+template<>
+struct pop_back_impl
+< function_types::detail::components_mpl_sequence_tag >
+{
+ template< typename S >
+ struct apply
+ : S
+ {
+ typedef apply type;
+ typedef typename mpl::pop_back< typename S::types >::type types;
+ };
+};
+
+} } // namespace ::ndnboost::mpl
+
+#endif
+